* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #f5c518;
            --primary-dark: #d4a800;
            --secondary: #1a1a2e;
            --accent: #e94560;
            --bg: #faf8f0;
            --text: #222;
            --text-light: #555;
            --white: #fff;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--secondary);
            color: var(--white);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            text-transform: uppercase;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: var(--primary-dark);
        }
        .my-logo a {
            color: inherit;
        }
        .my-logo span {
            font-weight: 300;
            color: var(--white);
            font-size: 0.9rem;
            display: block;
            line-height: 1;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            color: var(--white);
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: var(--primary);
            color: var(--secondary);
        }
        .nav-active {
            background: var(--primary);
            color: var(--secondary) !important;
        }
        .breadcrumb {
            background: var(--white);
            padding: 12px 0;
            border-bottom: 1px solid #eee;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 6px;
            color: #aaa;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }
        main {
            padding: 40px 0 60px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-body h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            color: var(--secondary);
            margin-bottom: 16px;
            font-weight: 800;
        }
        .article-body h1 i {
            color: var(--primary);
        }
        .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 2px solid #eee;
        }
        .meta i {
            margin-right: 6px;
            color: var(--primary-dark);
        }
        .article-body h2 {
            font-size: 1.8rem;
            color: var(--secondary);
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--primary);
            font-weight: 700;
        }
        .article-body h3 {
            font-size: 1.35rem;
            color: var(--secondary);
            margin: 28px 0 12px;
            font-weight: 600;
        }
        .article-body h4 {
            font-size: 1.1rem;
            color: var(--text);
            margin: 20px 0 10px;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 16px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .highlight-box {
            background: var(--white);
            border-left: 5px solid var(--primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .highlight-box strong {
            color: var(--accent);
        }
        .feature-img {
            margin: 32px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .feature-img figcaption {
            font-size: 0.85rem;
            color: var(--text-light);
            text-align: center;
            margin-top: 8px;
            font-style: italic;
        }
        .link-list-inline {
            background: var(--white);
            padding: 20px 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 24px 0;
        }
        .link-list-inline h4 {
            margin-top: 0;
        }
        .link-list-inline ul {
            columns: 2;
            column-gap: 30px;
            list-style: none;
            padding: 0;
        }
        .link-list-inline li {
            break-inside: avoid;
            padding: 4px 0;
        }
        .link-list-inline a {
            color: var(--secondary);
            font-weight: 500;
        }
        .link-list-inline a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: var(--secondary);
            margin-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 6px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            color: var(--text);
            font-weight: 500;
        }
        .sidebar-card a:hover {
            color: var(--accent);
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            background: var(--secondary);
            color: var(--white);
            border: none;
            padding: 10px 18px;
            border-radius: 30px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: var(--accent);
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 3px solid #eee;
        }
        .feedback-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .feedback-card h3 {
            font-size: 1.2rem;
            color: var(--secondary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--primary);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            background: var(--secondary);
            color: var(--white);
            border: none;
            padding: 12px 20px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        .feedback-card button:hover {
            background: var(--accent);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: var(--primary);
        }
        footer {
            background: var(--secondary);
            color: #ccc;
            padding: 40px 0 20px;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        footer h4 {
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        footer a {
            color: #ccc;
        }
        footer a:hover {
            color: var(--primary);
        }
        footer ul {
            list-style: none;
            padding: 0;
        }
        footer li {
            padding: 4px 0;
        }
        .footer-copy {
            grid-column: 1 / -1;
            text-align: center;
            border-top: 1px solid #333;
            padding-top: 20px;
            margin-top: 20px;
            font-size: 0.85rem;
            color: #888;
        }
        .footer-copy a {
            color: var(--primary);
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 16px 20px;
            border-radius: 8px;
            margin-top: 12px;
            line-height: 1.8;
        }
        friend-link a {
            margin: 0 4px;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 4px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 16px;
                border-radius: 8px;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .link-list-inline ul {
                columns: 1;
            }
            .feedback-section {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
            }
            .meta {
                font-size: 0.8rem;
                gap: 8px 16px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .search-form input {
                font-size: 0.85rem;
            }
            .feedback-card input,
            .feedback-card textarea,
            .feedback-card select {
                font-size: 0.85rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--secondary);
            color: var(--primary);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: var(--shadow);
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
            z-index: 999;
            border: none;
        }
        .scroll-top:hover {
            background: var(--accent);
            color: var(--white);
            transform: translateY(-4px);
        }
        @media (max-width: 768px) {
            .scroll-top {
                bottom: 16px;
                right: 16px;
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }